Packages

@lwc/jest-preset

19.6.1 · 15 Apr 2026MIT175.4k / weekRepositoryHomepagenpmAtom feed

Upgrading @lwc/jest-preset from 0.39.1 to 19.6.1

79 releases in betweennotes for 45

Other targets from 0.39.1Newest 0.x0.40.1
7.0.0, 6.0.0, 5.0.0, 4.0.0, 3.0.0, 2.0.0, 1.0.0 have no release note on GitHub or in the repository's changelog, so their breaking changes are missing from the counts below.
10+
changes to make
0
advisories fixed
17+
new
30+
fixes

Counted from 45 of 79 release notes. Advisories are counted from the advisory database, in full.

Before you upgrade

Tick each one off as you go
  • breaking15.0.0
  • breaking15.0.0
  • breaking13.0.0
  • breaking13.0.0
  • breaking12.0.1
  • breaking12.0.0
  • breaking12.0.0
  • breaking12.0.0
  • breaking10.0.0
  • breaking8.0.0

Release by release

  1. 18.0.0 – 19.6.116 releases, nothing new or fixed; 8 without a note

  2. 17.0.1

    6 Sep 20243 new
    • new

      Introduced a new preset for SSR server-side.

    • new

      Introduced a new preset for SSR hydration.

    • new

      Implemented a new API for storing SSR-generated markup with a hash in a snapshot file and reading the markup associated with the hash.

  3. 16.1.0nothing new or fixed in the note

  4. 16.0.3

    17 Jul 20241 fix
    • fixed

      Trim data-lwc-host-mutated attr values

  5. 16.0.1 – 16.0.22 releases, nothing new or fixed in the notes

  6. 16.0.0

    11 Apr 20241 fix
    • fixed

      Fix excessive __lwc_scope_token__ replacement

  7. 15.0.0

    8 Apr 20242 fixes
    • fixed

      serializer: Normalize class attributes

    • fixed

      serializer: Normalize style attributes

  8. 14.4.0nothing new or fixed in the note

23 other lines we could not sort, mostly version bumps

  • @ W-17249293 consle warn spy bug fix

    19.1.0

  • @W-16647806 log compiler warning during jest tests

    19.1.0

  • @W-17983974 add SSRv2 support for unit testing

    19.1.0

  • Moving "jest-serializer-html" to @lwc/jest-preset

    18.0.1

  • Housekeeping of remaining references of Jest v.26 and v.27

    18.0.1

  • Dropped Jest v.26 and v.27.

    17.0.1

  • nucleus/upstream_project_lwc_version_7.2.0_update_100

    16.1.0

  • nucleus/upstream_project_lwc_version_7.2.1_update_991

    16.1.0

  • Update @salesforce/apex/* imports to return jest.fn()

    16.1.0

  • nucleus/upstream_project_lwc_version_6.5.1_update_685

    16.0.1

25 internal lines (docs, tests, tooling) left out.